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Finding the Fourth Proportional to 546.96, 820.26 and 181.65

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Solution

The fourth proportional to 546.96, 820.26 and 181.65 is: 272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.96 : 820.26 = 181.65 : x
  2. Step 2: Convert to fraction form
    546.96/820.26 = 181.65/x
  3. Step 3: Cross multiply
    546.96x = 820.26 × 181.65
  4. Step 4: Simplify right side
    546.96x = 148,998.69
  5. Step 5: Solve for x
    x = 148,998.69/546.96
  6. Step 6: Final answer
    x = 272.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.